"Polarizarization" ndi wamba wamba la a lasers, zomwe zimatsimikiziridwa ndi mfundo yopanga laser. Amtengo wa laserimapangidwa ndi zokongoletsedwa za ma radiation owala kwambiri mkati mwalaser. Ma radiation olimbikitsidwa ali ndi mawonekedwe odabwitsa: pomwe chithunzi chakunja chikagunda tinthu tambiri, tinthu tating'onoting'ono timatulutsa zithunzi ndi kusintha kwa magetsi otsika. Ma 2 ojambula omwe ali ndi gawo lomwelo, malangizo kufalitsa ndi polarization dziko monga zithunzi zakunja. Mtsinje wa zithunzi umapangidwa mu laser, zithunzi zonse mu Photon Train Stream zimagawana gawo lomwelo, kufalitsa lamulo, ndi boma. Chifukwa chake, mawonekedwe a laser istaudinadinal mode (pafupipafupi) ayenera kuphimbidwa.
Si ma lasers onse omwe amasindikizidwa. Dziko la Polararization la laser limakhudzidwa ndi zinthu zingapo, kuphatikiza:
1. Kuganizira kwa wotsutsa: Pofuna kuonetsetsa kuti zithunzi zambiri zimapangidwa kuti zikhale zokhazikika patalikuwala kwa laser, nkhope yomaliza ya wonamizira nthawi zambiri imapangidwa ndi filimu yolimbikitsa. Malinga ndi Lamulo la Fresnen, machitidwe owoneka bwino amachititsa kuwala kowoneka bwino kuti asinthe kuchokera ku kuwala kwachilengedwe kupita kuderakuwala kowala.
2. Makhalidwe a phindu: m'badwo wa laser umakhazikitsidwa ndi radiation. Pamene matomu owoneka bwino akakhala ndi zithunzi za zithunzi zachilendo, zithunzizi zimasenda mbali yomweyo (dziko la polarization) ngati zithunzi zakunja, zomwe zimapangitsa kuti serset zizikhala ndi malo okhazikika komanso okhazikika. Ngakhale kusintha kwakukulu mu Polarization dziko lapansi kudzaseweredwa ndi wotsutsa chifukwa oscil okhazikika sangapangidwe.
Mu njira yopanga laser, mbale ya funde ndi polarization nthawi zambiri imawonjezeredwa mkati mwa laser kuti ikonzekere kukhazikika kwa wokhazikikayo, kuti dziko la polariza likhale lapadera. Izi sizimangopangitsa kuti mphamvu ya laser ingokhazikika, kukondwerera kosangalatsa kuli kopamwamba, komanso kupewa kutaya zomwe zimayambitsidwa chifukwa cholephera kuyika oscillate. Chifukwa chake, dziko la polarization la laser zimatengera zinthu zambiri monga kapangidwe ka woponderezedwa, mtundu wa omwe amapezeka sing'anga ndi oscillation mikhalidwe, ndipo sikhala yapadera nthawi zonse.
Post Nthawi: Jun-17-2024